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University of Delaware

University

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US5015503A	Apparatus for producing compound semiconductor thin films	Expired / Lapsed	1990-02-07	1991-05-14	35	Details
US4419340A	Controlled release of anticancer agents from biodegradable …	Expired / Lapsed	1980-11-20	1983-12-06	4	Details
US4344431A	Polymeric article for dispensing drugs	Expired / Lapsed	1980-08-04	1982-08-17	13	Details
US3879377A	Purification of chitin	Expired / Lapsed	1973-11-23	1975-04-22	10	Details